7.12.4
Interface
Figure 30.
Wi
‑
Fi
®
module interposer footprint (Top view)
Table 44.
Wi
‑
Fi
®
module interposer connector U24
Pin
number
Description
Pin connection
Pin
number
Description
Pin connection
1
GND
GND
44
NC
NC
2
NC
NC
43
GND
GND
3
GND
GND
42
VDD_5V
5V
4
I2C SDA
PH5
41
GND
GND
5
I2C SCL
PH4
40
WIFI DATA RDY
MFX IO2
6
NC
NC
39
WIFI BOOT
MFX IO14
7
NC
NC
38
NC
NC
8
SPI MOSI
PE6
37
NC
NC (TP26)
9
SPI NSS
PE3
36
NC
NC (TP27)
10
SPI SCK
PE2
35
WIFI UART RX
PB15 or PA3 (NC by
default)
11
SPI MISO
PE5
34
WIFI UART TX
PB14 or PA2 (NC by
default)
12
NC
NC
33
GND
GND
13
WIFI GPIO
MFX IO1
32
USB DM
NC
14
WIFI NRST
MFX IO15 (or NRST)
31
USB DP
NC
15
WIFI WAKEUP
MFX IO10
30
GND
GND
16
NC
NC
29
T_SWDIO
PA13 (NC by default)
17
NC
NC
28
T_SWCLK
PA14 (NC by default)
18
NC
NC
27
NC
NC
19
NC
NC
26
NC
NC
UM2662
Wi-Fi® module MB1486
UM2662
-
Rev 1
page 47/95